About Lesson
In this video, we’ll be diving into Element 11.1 Hazards and Risks of Electricity
• Electric shock and its effects on the body; what affects severity: voltage, frequency, duration, resistance, current
path; electrical burns (from direct and indirect contact with an electrical source)
• Common causes of electrical fires, including portable devices overheating during charging
• Workplace electrical equipment, including portable: what is likely to lead to accidents (unsuitable equipment;
inadequate maintenance; use of defective/poorly maintained electrical equipment; use of electrical equipment in
wet environments)
• Secondary effects, including falls from height
• Work near overhead power lines; contact with underground power cables during excavation work
• Work on mains electricity supplies
